False. Bulimia nervosa can be prevented and it can be treated at anytime. Bulimia nervosa is when a person eats large amounts of food, then takes extreme measures for weight lost; purging, fasting, excessive exercise, but purging is most common.
Explanation:
I think it's b (viewpoint)
The answer is D b/c unethical means morally incorrect
first-degree burns: red, non blistered skin
second-degree burns: blisters and some thickening of the skin
third-degree burns: widespread thickness with a white, leathery appearance
You should make your question a little more clearer.